Raid Card controller for FC System

[edwardspl at ita.org.mo]

Thomas Kappelmueller wrote:

>edwardspl at ita.org.mo wrote:
>  
>
>>Thomas Kappelmueller wrote:
>>
>>    
>>
>>>edwardspl at ita.org.mo wrote:
>>> 
>>>
>>>      
>>>
>>>>Thomas Kappelmueller wrote:
>>>>
>>>>   
>>>>
>>>>        
>>>>
>>>>>Todd Denniston wrote:
>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>>>Roger Heflin wrote, On 03/24/2008 02:20 PM:
>>>>>>
>>>>>>       
>>>>>>
>>>>>>            
>>>>>>
>>>>>>>edwardspl at ita.org.mo wrote:
>>>>>>>
>>>>>>>         
>>>>>>>
>>>>>>>              
>>>>>>>
>>>>>>>>Alan Cox wrote:
>>>>>>>>
>>>>>>>>           
>>>>>>>>
>>>>>>>>                
>>>>>>>>
>>>>>>>>>On Sun, 23 Mar 2008 15:39:22 +0800
>>>>>>>>>edwardspl at ita.org.mo wrote:
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>             
>>>>>>>>>
>>>>>>>>>                  
>>>>>>>>>
>>>>>>>>>>Dear All,
>>>>>>>>>>
>>>>>>>>>>Which model / type of ATA Raid card controller is good for work
>>>>>>>>>>with New FC System ?
>>>>>>>>>>Would you please recommend ?
>>>>>>>>>>               
>>>>>>>>>>
>>>>>>>>>>                    
>>>>>>>>>>
>>>>>>>>>Almost every 'raid' controller for ATA devices is just driver
>>>>>>>>>level raid,
>>>>>>>>>so equivalent to using the built in lvm/md raid support that works
>>>>>>>>>with
>>>>>>>>>any devices. At the high end there are a few hardware raid cards
>>>>>>>>>but they
>>>>>>>>>rarely outperform ordinary ATA on PCI Express.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>             
>>>>>>>>>
>>>>>>>>>                  
>>>>>>>>>
>>>>>>>Edward,
>>>>>>>
>>>>>>>The cheapest 4-port raid cards are typically $300US, the 8-port
>>>>>>>cards are quite a bit more. If you are a home user I would suggest
>>>>>>>not wasting your money on the HW raid, and has others mentioned it
>>>>>>>is not really worth the extra money for a home user, so use software
>>>>>>>raid.
>>>>>>>
>>>>>>>Most of the cheaper cards are fakeraid and at best (if supported
>>>>>>>under DMRAID) are only slightly better than software raid.
>>>>>>>
>>>>>>>Roger
>>>>>>>
>>>>>>>         
>>>>>>>
>>>>>>>              
>>>>>>>
>>>>>>So would the better question be:
>>>>>>Which model / type of ATA multi-port card controller is good when you
>>>>>>want to do software RAID with New Fedora System?
>>>>>>i.e. which manufactures cards that you can hang 4+ drives off of,
>>>>>>have enough independence[1] between drives, that doing software RAID
>>>>>>works fast[2]?
>>>>>>Can you get 4+ port SATA cards that don't claim to be "RAID" cards?
>>>>>>
>>>>>>Or has everything already been said here:
>>>>>>http://linuxmafia.com/faq/Hardware/sata.html
>>>>>>http://linux-ata.org/faq-sata-raid.html
>>>>>>
>>>>>>[1] I am making the old assumption that ATA drives on the same bus
>>>>>>slow each other down. Does that really matter with SATA?
>>>>>>
>>>>>>[2] assuming the controller card is more likely to be the bottleneck
>>>>>>than the processor, PCI bus, or drives.
>>>>>>
>>>>>>       
>>>>>>
>>>>>>            
>>>>>>
>>>>>Hi!
>>>>>http://linux-ata.org/driver-status.html#matrix
>>>>>I would buy a card which drivers have the most features.
>>>>>
>>>>>I chose a cheap "Silicon Image"-chipped sata1 card (sata_sil driver).
>>>>>Hotplugging etc is working fine.
>>>>>
>>>>>
>>>>>The sata_sil24 is the SATA2 chip.
>>>>>
>>>>>-Tom
>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>Hello,
>>>>
>>>>Would you mind tell me your web site of your card model ?
>>>>
>>>>Thank for your comment!
>>>>
>>>>Edward.
>>>>
>>>>   
>>>>
>>>>        
>>>>
>>>hi!
>>>http://www.st-lab.com/productf.asp
>>>It is the one with 4 Ports. It cost me something like 20£á/25$
>>>
>>>Btw I use Linux Software-Raid on it.
>>>If you can't get that card just search google for something like
>>>"SiI3114 controller card".
>>>
>>>The newer chips are called Sil3124 and i think there are also some with
>>>8 Ports but I'm not sure.
>>>
>>>Hope that helps
>>>-Tom
>>>
>>> 
>>>
>>>      
>>>
>>Hello,
>>
>>Why didn't use hardware raid for the Linux ( FC ) System ?
>>    
>>
>
>Hardware-Raid is much more expensive and for home usage it is absolutely
>not nesessary.
>
>  
>
>>Is there two ports of S-ATA also ?
>>    
>>
>
>There is one card with 2 Sata Ports (Sil3112).
>
>  
>
>>Does FC System built-in driver with it ?
>>    
>>
>
>The built-in FC8 driver works fine, no need to install additional content.
>
>  
>
>>Thank for your comment again...
>>
>>Edward.
>>
>>
>>    
>>
>
>  
>
Hello,

Just visited http://www.siliconimage.com/products/product.aspx?id=29
BUT it seems only support Windows System...
And also to http://www.siliconimage.com/products/product.aspx?id=28
It seem support Linux System ( BUT NOT sure FC System )...

Edward.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listman.redhat.com/archives/fedora-list/attachments/20080326/d785925f/attachment-0001.htm>